Finish the job by installing the cover plate and turning on the power to test the new dimmer. Before installing any dimmer switch make sure you have a place for the bulb in the mount.

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How to install a dimmer switch with 5 wires. The wires from the dimmer will typically be black. The two house wires may be black red or white with black marking. It doesnt matter if you reverse the two switch wires to a single pole dimmer. Using the screws provided attach the faceplate. Connect each dimmer wire to a house wire by gripping the wire ends with a pair of pliers and twisting them together. The most common method presumably the dimmerswitch is feeding at least 4 fixtures is to wire nut or wire nut alternative the 4 wires and a short wire together and connect the short wire to the switch assuming it can only take 1 or 2 wires per terminal the wire nut needs to be the proper size for 5 wires the 4 plus the jumper of the gauge in use.
Each led lamp includes a driver that converts the high voltage ac from the power company into low voltage dc current required. In the case of brass or chrome plates a pvc shield must be fitted between the plate and the wall and the earth lead on the plate must be connected to the earth terminal in the box. Connect the green ground wire to the copper ground wire in the box using a wire connector. Make sure that no wires are trapped between the plate and the box. Simple and easy to understand video on how to safely wire a dimmer switch. 5 fix the faceplate.
If there is bare wire exposed unscrew the wire connector remove the wires trim the ends of the wires with a wire cutter and then re cap the wires. Wrap the connections with electrical tap. It must have the correct shape size and socket type. Tighten a wire nut over each pair of wire ends. If your switch has wires pre attached connect them to the house wires using wire connectors. Fold the wires neatly into the box.
Screw the dimmer to the box with the screws provided. Expert electrical diy tips from videojug and aspect maintenance. Dont over tighten the screws. As always green denotes the ground or copper wire. Unlike installing a light fixture both wires going to the dimmer will be black and usually can be placed on either gold screw. Twist the connectors clockwise to tighten.
Except for the bare or green ground wire no bare wire or wire filaments should be visible outside of the wire connector after connecting the wires. Be it led incandescent or fluorescent you have to make sure that it is placed in the fixture and you will be able to install it. 4 install the dimmer switch. Replace the circuit fuse and test the dimmer. Dont worry if you hear a faint buzzing sound from the dimmer switch. Kasa smart dimmer switch by tp link single pole needs neutral wirewifi light switch for led lights works with alexa and google assistantul certified 1 packhs220 46 out of 5 stars 1582 1 best seller in dimmer switches.
The amount of voltage is critical because the leds operate from low voltage dc.